Details of experiments between the fragments Q92974~172-181 and P31946~1-246
Note that the results of all experiments are listed, regardless of the modification states of the fragments.
Experiment series 1
Protein A protein: ARHGEF2
Protein A fragment: 172-181
Protein A site: 14-3-3_pSer177
Protein A modification: (SEP)177
Protein A sequence: SQSTDSLNMR
Protein A construct: SQSTD(pSer)LNMR (crude synthetic peptide)
Protein B protein: YWHAB
Protein B fragment: 1-246
Protein B site: 14-3-3
Protein B construct: avi-his6-MBP-TEVsite-14-3-3beta
Average holdup BI: 0.3
Holdup BI standard deviation: 0.1
Immobilized partner concentration in holdup experiment (10-6M): 134
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 2.63
Experiment method: HU Multiplex
Details of affinity fitting: hyperbolic binding equation
Date of measurement: 2022.02.17.
Experimental details: -log10(P Two-sided unpaired T-test (4 vs 4))
Number of measurements: 4
Measured pKd: 3.5
Experiment series 2
Protein A protein: ARHGEF2
Protein A fragment: 172-181
Protein A site: 14-3-3_pSer177
Protein A modification: (SEP)177
Protein A sequence: SQSTDSLNMR
Protein A construct: SQSTD(pSer)LNMR (crude synthetic peptide)
Protein B protein: YWHAB
Protein B fragment: 1-246
Protein B site: 14-3-3
Protein B construct: avi-his6-MBP-TEVsite-14-3-3beta
Average holdup BI: 0
Holdup BI standard deviation: 0.03
Immobilized partner concentration in holdup experiment (10-6M): 102
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 0.01
Experiment method: HU Multiplex
Details of affinity fitting: hyperbolic binding equation
Date of measurement: 2021.10.13.
Experimental details: -log10(P Two-sided unpaired T-test (4 vs 5))
Number of measurements: 5
The affinity was below the detection threshold of the assay.